Uroš Bojanić created SPARK-59149:
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Summary: Use isEmpty instead of size == 0 in OrcUtils
Key: SPARK-59149
URL: https://issues.apache.org/jira/browse/SPARK-59149
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 4.4.0
Reporter: Uroš Bojanić
OrcUtils checks for an empty ORC schema two ways: readSchema uses
reader.getSchema.getFieldNames.size == 0, while elsewhere the file uses
.isEmpty (e.g. orcFieldNames.isEmpty). This changes the former to .isEmpty so
the file is consistent and uses the idiomatic emptiness check.
java.util.List.isEmpty() is exactly size() == 0, so behavior is identical.
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